playurl = 'https://oo.haiqu.vip:2266/myxc\/2018\/01\/20180717\/2017\u8d85\u597d\u542c\u5168\u5973\u58f0\u597d\u542c\u7684\u4e2d\u6587\u7535\u97f3dj\u821e\u66f2\u4e32\u70e7.m4a';